package edu.qqilin.springframework.test.bean;

import java.util.HashMap;
import java.util.Map;

/**
 * Description: new java files header..
 *
 * @author qqilin1213
 * @version 1.0
 * @date 2025/11/23 16:16
 */
public class UserDao {

    private static Map<String, String> hashMap = new HashMap<>();

    static {
        hashMap.put("10001", "qq1");
        hashMap.put("10002", "qq2");
        hashMap.put("10003", "qq3");
    }

    public String queryUserName(String uId) {
        return hashMap.get(uId);
    }
}
